Viral ion channel proteins in model membranes: a comparative study by X-ray reflectivity.
Identifieur interne : 003C38 ( Main/Exploration ); précédent : 003C37; suivant : 003C39Viral ion channel proteins in model membranes: a comparative study by X-ray reflectivity.
Auteurs : Z. Khattari [Allemagne] ; E. Arbely ; I T Arkin ; T. SaldittSource :
- European biophysics journal : EBJ [ 0175-7571 ] ; 2006.
Descripteurs français
- KwdFr :
- Canaux ioniques (), Double couche lipidique (), Fluidité membranaire, Ions, Lipides (), Modèles biologiques, Peptides (), Protéines de l'enveloppe virale (), Protéines du virus de l'immunodéficience humaine, Protéines virales régulatrices ou accessoires (), Rayons X, Spectroscopie infrarouge à transformée de Fourier, Température, VIH-1 (Virus de l'Immunodéficience Humaine de type 1) (métabolisme), Virus de la grippe A (génétique), Virus du SRAS (métabolisme).
- MESH :
- génétique : Virus de la grippe A.
- métabolisme : VIH-1 (Virus de l'Immunodéficience Humaine de type 1), Virus du SRAS.
- Canaux ioniques, Double couche lipidique, Fluidité membranaire, Ions, Lipides, Modèles biologiques, Peptides, Protéines de l'enveloppe virale, Protéines du virus de l'immunodéficience humaine, Protéines virales régulatrices ou accessoires, Rayons X, Spectroscopie infrarouge à transformée de Fourier, Température.
English descriptors
- KwdEn :
- HIV-1 (metabolism), Human Immunodeficiency Virus Proteins, Influenza A virus (genetics), Ion Channels (chemistry), Ions, Lipid Bilayers (chemistry), Lipids (chemistry), Membrane Fluidity, Models, Biological, Peptides (chemistry), SARS Virus (metabolism), Spectroscopy, Fourier Transform Infrared, Temperature, Viral Envelope Proteins (chemistry), Viral Regulatory and Accessory Proteins (chemistry), X-Rays.
- MESH :
- chemical , chemistry : Ion Channels, Lipid Bilayers, Lipids, Peptides, Viral Envelope Proteins, Viral Regulatory and Accessory Proteins.
- chemical : Human Immunodeficiency Virus Proteins, Ions.
- genetics : Influenza A virus.
- metabolism : HIV-1, SARS Virus.
- Membrane Fluidity, Models, Biological, Spectroscopy, Fourier Transform Infrared, Temperature, X-Rays.
Abstract
We have investigated the effect of the transmembrane domain of three viral ion channel proteins on the lipid bilayer structure by X-ray reflectivity and scattering from oriented planar bilayers. The proteins show a similar effect on the lipid bilayer structural parameters: an increase in the lipid bilayer hydrophobic core, a decrease in the amplitude of the vertical density profile and a systematic change in the ordering of the acyl chains as a function of protein-to-lipid ratio. These results are discussed in a comparative view.
DOI: 10.1007/s00249-006-0099-x
PubMed: 17019591
Affiliations:
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Le document en format XML
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Arbely</name></author><author><name sortKey="Arkin, I T" sort="Arkin, I T" uniqKey="Arkin I" first="I T" last="Arkin">I T Arkin</name></author><author><name sortKey="Salditt, T" sort="Salditt, T" uniqKey="Salditt T" first="T" last="Salditt">T. 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Khattari</name><affiliation wicri:level="3"><nlm:affiliation>Institut für Röntgenphysik, Universität Göttingen Friedrich-Hund-Platz 1, 37077 Göttingen, Germany.</nlm:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>Institut für Röntgenphysik, Universität Göttingen Friedrich-Hund-Platz 1, 37077 Göttingen</wicri:regionArea><placeName><region type="land" nuts="2">Basse-Saxe</region><settlement type="city">Göttingen</settlement></placeName></affiliation></author><author><name sortKey="Arbely, E" sort="Arbely, E" uniqKey="Arbely E" first="E" last="Arbely">E. Arbely</name></author><author><name sortKey="Arkin, I T" sort="Arkin, I T" uniqKey="Arkin I" first="I T" last="Arkin">I T Arkin</name></author><author><name sortKey="Salditt, T" sort="Salditt, T" uniqKey="Salditt T" first="T" last="Salditt">T. Salditt</name></author></analytic><series><title level="j">European biophysics journal : EBJ</title><idno type="ISSN">0175-7571</idno><imprint><date when="2006" type="published">2006</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>HIV-1 (metabolism)</term><term>Human Immunodeficiency Virus Proteins</term><term>Influenza A virus (genetics)</term><term>Ion Channels (chemistry)</term><term>Ions</term><term>Lipid Bilayers (chemistry)</term><term>Lipids (chemistry)</term><term>Membrane Fluidity</term><term>Models, Biological</term><term>Peptides (chemistry)</term><term>SARS Virus (metabolism)</term><term>Spectroscopy, Fourier Transform Infrared</term><term>Temperature</term><term>Viral Envelope Proteins (chemistry)</term><term>Viral Regulatory and Accessory Proteins (chemistry)</term><term>X-Rays</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Canaux ioniques ()</term><term>Double couche lipidique ()</term><term>Fluidité membranaire</term><term>Ions</term><term>Lipides ()</term><term>Modèles biologiques</term><term>Peptides ()</term><term>Protéines de l'enveloppe virale ()</term><term>Protéines du virus de l'immunodéficience humaine</term><term>Protéines virales régulatrices ou accessoires ()</term><term>Rayons X</term><term>Spectroscopie infrarouge à transformée de Fourier</term><term>Température</term><term>VIH-1 (Virus de l'Immunodéficience Humaine de type 1) (métabolisme)</term><term>Virus de la grippe A (génétique)</term><term>Virus du SRAS (métabolisme)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Ion Channels</term><term>Lipid Bilayers</term><term>Lipids</term><term>Peptides</term><term>Viral Envelope Proteins</term><term>Viral Regulatory and Accessory Proteins</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Human Immunodeficiency Virus Proteins</term><term>Ions</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Influenza A virus</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Virus de la grippe A</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>HIV-1</term><term>SARS Virus</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>VIH-1 (Virus de l'Immunodéficience Humaine de type 1)</term><term>Virus du SRAS</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Membrane Fluidity</term><term>Models, Biological</term><term>Spectroscopy, Fourier Transform Infrared</term><term>Temperature</term><term>X-Rays</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Canaux ioniques</term><term>Double couche lipidique</term><term>Fluidité membranaire</term><term>Ions</term><term>Lipides</term><term>Modèles biologiques</term><term>Peptides</term><term>Protéines de l'enveloppe virale</term><term>Protéines du virus de l'immunodéficience humaine</term><term>Protéines virales régulatrices ou accessoires</term><term>Rayons X</term><term>Spectroscopie infrarouge à transformée de Fourier</term><term>Température</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">We have investigated the effect of the transmembrane domain of three viral ion channel proteins on the lipid bilayer structure by X-ray reflectivity and scattering from oriented planar bilayers. The proteins show a similar effect on the lipid bilayer structural parameters: an increase in the lipid bilayer hydrophobic core, a decrease in the amplitude of the vertical density profile and a systematic change in the ordering of the acyl chains as a function of protein-to-lipid ratio. These results are discussed in a comparative view.</div></front></TEI><affiliations><list><country><li>Allemagne</li></country><region><li>Basse-Saxe</li></region><settlement><li>Göttingen</li></settlement></list><tree><noCountry><name sortKey="Arbely, E" sort="Arbely, E" uniqKey="Arbely E" first="E" last="Arbely">E. Arbely</name><name sortKey="Arkin, I T" sort="Arkin, I T" uniqKey="Arkin I" first="I T" last="Arkin">I T Arkin</name><name sortKey="Salditt, T" sort="Salditt, T" uniqKey="Salditt T" first="T" last="Salditt">T. Salditt</name></noCountry><country name="Allemagne"><region name="Basse-Saxe"><name sortKey="Khattari, Z" sort="Khattari, Z" uniqKey="Khattari Z" first="Z" last="Khattari">Z. 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